DeepSeek V4 Flash added (387 attempts). The leaderboard now counts every attempt made against the shipped version of a task, including the September calibration runs: GLM-5.3 Flash 441 attempts, GPT-5.6 Luna 1,178. GLM moves from 85.1% (one attempt per task) to 81.9%; ranks are unchanged.

First results: GPT-5.6 Luna (4 attempts per task) and GLM-5.3 Flash (1 attempt). 188 tasks after a release check that excluded 3; see the methodology page.

Public/private split regrouped so that tasks sharing an upstream pull request stay in one half (21 pull requests had crossed). 95 public and 95 private tasks before verification.

Pool frozen at 191 tasks from 108 projects. Copyleft, unlicensed and noncommercial projects excluded.